Science: Food Chain vs. Food Web & Trophic Levels
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Questions and Answers

Which trophic level includes herbivores?

  • Second trophic level (correct)
  • Third trophic level
  • Fourth trophic level
  • First trophic level

    • In an ecological interaction, which scenario represents commensalism?

  • Both are harmed
  • One benefits while the other is harmed
  • One benefits without affecting the other (correct)
  • Both organisms benefit

    • What is the term used to describe the richness of the biosphere's diversity?

  • Biodiversity (correct)
  • Species diversity
  • Ecosystem diversity
  • Genetic diversity

    • Which ecological interaction is harmful to both organisms at the beginning but beneficial to the winner later?

    <p>Competition</p> Signup and view all the answers

    In a food web, what do tertiary consumers feed on?

    <p>Secondary consumers (Carnivores)</p> Signup and view all the answers

    What does the term 'trophic level' refer to in a food chain?

    <p>The position of an organism in the food chain</p> Signup and view all the answers

    Why is the variation in the number of a particular organism in a food chain important?

    <p>It impacts the biodiversity of the ecosystem</p> Signup and view all the answers

    Can a single organism occupy more than one trophic level in an ecosystem?

    <p>Yes, always</p> Signup and view all the answers

    How does the elimination of organisms from higher trophic levels affect the ecosystem?

    <p>Disrupts balance within the ecosystem</p> Signup and view all the answers

    Is there any possibility of a fifth trophic level in an ecosystem?

    <p>Yes, always</p> Signup and view all the answers

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